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https://issues.apache.org/jira/browse/CXF-8576?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17396943#comment-17396943
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Patrick Jarvis commented on CXF-8576:
-------------------------------------
We found the issue:
{color:#000000}The feature was using Java CompletableFuture using the default
ForkJoinPool to run as async process. This task will run on all the cores and
tries to divide the task for the cores. However this is causing camel component
and class loaders not getting initialized properly when the task is split
across multiple CPU Cores.{color}
> Could not initialize class org.apache.cxf.jaxrs.utils.JAXRSUtilsCaused by:
> java.lang.NoClassDefFoundError
> ---------------------------------------------------------------------------------------------------------
>
> Key: CXF-8576
> URL: https://issues.apache.org/jira/browse/CXF-8576
> Project: CXF
> Issue Type: Bug
> Components: JAX-RS
> Affects Versions: 3.4.3
> Environment: *Previous:*
> cos-85-13310-1209-12 [1]: Kernel: COS-5.4.8
> Docker: v19.03.14
> *Current:*
> cos-89-16108-403-46 [2]: Kernel: COS-5.4.104
> Docker: v20.10.3
> Reporter: Patrick Jarvis
> Priority: Major
>
> We are running our application in a container (Tomcat: 9.0.45, OpenJDK
> Runtime Environment Zulu11.50+20-SA (build 11.0.12+7-LTS))
> Its been running successfully for the last year. There was an upgrade on the
> base OS and the docker engine (details in the environment section)...and now
> the application is failing with the below exception. This is consistent
> behavior and not intermittent.
> We managed to find an issue against an older version of the library:
> https://issues.apache.org/jira/browse/CXF-3949
> As suggested there, we reduced the number of CPUs provisioned to the
> container from 4 to 1, and the below exception is not encountered.
> We don't understand why the reduction in the CPU made a difference, or how
> the OS version/Docker upgrade would've had this impact.
>
>
> {code:java}
> Caused by: java.lang.NoClassDefFoundError: Could not initialize class
> org.apache.cxf.jaxrs.utils.JAXRSUtilsCaused by:
> java.lang.NoClassDefFoundError: Could not initialize class
> org.apache.cxf.jaxrs.utils.JAXRSUtils at
> org.apache.cxf.jaxrs.impl.UriBuilderImpl.setPathAndMatrix(UriBuilderImpl.java:679)
> at
> org.apache.cxf.jaxrs.impl.UriBuilderImpl.setUriParts(UriBuilderImpl.java:648)
> at org.apache.cxf.jaxrs.impl.UriBuilderImpl.uri(UriBuilderImpl.java:624) at
> org.apache.cxf.jaxrs.client.LocalClientState.resetCurrentUri(LocalClientState.java:93)
> at
> org.apache.cxf.jaxrs.client.LocalClientState.<init>(LocalClientState.java:64)
> at
> org.apache.cxf.jaxrs.client.ThreadLocalClientState.<init>(ThreadLocalClientState.java:58)
> at
> org.apache.cxf.jaxrs.client.JAXRSClientFactoryBean.getActualState(JAXRSClientFactoryBean.java:247)
> at
> org.apache.cxf.jaxrs.client.JAXRSClientFactoryBean.createWebClient(JAXRSClientFactoryBean.java:223)
> at
> org.apache.camel.component.cxf.jaxrs.CxfRsProducer.invokeAsyncHttpClient(CxfRsProducer.java:138)
> at
> org.apache.camel.component.cxf.jaxrs.CxfRsProducer.process(CxfRsProducer.java:116)
> at
> org.apache.camel.impl.InterceptSendToEndpointProcessor.process(InterceptSendToEndpointProcessor.java:112)
> at
> org.apache.camel.processor.CamelInternalProcessor.process(CamelInternalProcessor.java:201)
> at
> org.apache.camel.processor.MulticastProcessor.doProcessSequential(MulticastProcessor.java:715)
> at
> org.apache.camel.processor.MulticastProcessor.doProcessSequential(MulticastProcessor.java:638)
> at
> org.apache.camel.processor.MulticastProcessor.process(MulticastProcessor.java:248)
> ... 56 more
> {code}
>
>
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